DER-113
5瓦充电器便携式音频播放器
2006年7月19日
目录
介绍.................................................................................................................3
电源规格............................................... ......................................... 4
概要...................................................................................................................5
电路Description.......................................................................................................6
4.1
初级钳位缓冲器............................................... ......................................... 6
4.2
偏置电源..........................................................................................................6
4.3
CVCC电路........................................................................................................6
5 PCB Layout.................................................................................................................7
6比尔Materials...........................................................................................................8
7变压器规格............................................... ............................................ 9
7.1
电动Diagram................................................................................................9
7.2
电气规格................................................ ....................................... 9
7.3
物料..............................................................................................................9
7.4
变压器建设图............................................... ................................. 10
7.5
变压器结构................................................ .................................. 10
8变压器电子表格............................................... ........................................ 11
9性能Data.....................................................................................................14
9.1
效率...........................................................................................................14
9.1.1
主动模式CEC测量数据............................................. ........... 15
9.2
空载输入功率............................................. ............................................. 16
9.3
规.........................................................................................................16
9.3.1
输出特性................................................ .................................. 16
10
热Performance............................................................................................17
11
波形............................................................................................................18
11.1漏极电压和电流，正常工作.......................................... ......... 18
11.2输出电压启动配置文件........................................... ............................... 18
11.3漏极电压和电流启动配置文件......................................... ............... 19
11.4负载瞬态响应（ 75 ％到100 ％负载阶跃） ..................................... ... 20
11.5输出纹波的测量.............................................. .............................. 21
11.5.1纹波测量技术............................................ ..................... 21
11.5.2测量结果............................................. .................................... 22
12
传导EMI .....................................................................................................23
13
修订历史....................................................................................................24
重要注意事项：
虽然这款主板是专为满足安全隔离要求，工程
原型尚未机构批准。因此，所有的测试应该执行
使用隔离变压器来提供AC输入到原型板。
1
2
3
4
第25 2
Power Integrations公司
联系电话： +1 408 414 9200传真： +1 408 414 9201
www.powerint.com
QQ：2881677436 复制
